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Microorganisms and Disease

Microorganisms and Disease
An important host defense of human beings is a dense resident microbiota associated with

uterus
lungs
bladder
vagina

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Microorganisms and Disease
Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes?

The pathogen can live inside macrophages
The pathogen contains mycolic acid in its cell wall
Antibodies to the pathogen are protective
None of these

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Microorganisms and Disease
All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever?

Chicken pox
Typhoid
Malaria
Rheumatic disease

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Microorganisms and Disease
The toxins produced by bacteria

interfere with physiological processes in the body
All of these
kill viruses
encourage bacterial reproduction

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Microorganisms and Disease
In the human disease cholera, what is it that actually ends up killing the victim?

the toxin produced by the bacterium
Dehydration and loss of nutrients
Too little water in the food stream
Faulty carrier proteins

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Microorganisms and Disease
Which of these cytokines is also known under the name cachectin?

Tumor necrosis factor (TNF)
Interleukin 2
None of these
Interferon gamma

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